Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-12-078137-index-headers.html | 2012-02-24 16:16:05 | |
| 0001193125-12-078137-index.html | 2012-02-24 16:16:05 | |
| 0001193125-12-078137.txt | 2012-02-24 16:16:05 | |
 0001193125-12-078137-xbrl.zip | 203691 | 2012-02-24 16:16:05 |
| arb-20111231.xml | 2072894 | 2012-02-24 16:16:05 |
| arb-20111231.xsd | 80149 | 2012-02-24 16:16:05 |
| arb-20111231_cal.xml | 92322 | 2012-02-24 16:16:05 |
| arb-20111231_def.xml | 285016 | 2012-02-24 16:16:05 |
| arb-20111231_lab.xml | 676688 | 2012-02-24 16:16:05 |
| arb-20111231_pre.xml | 553524 | 2012-02-24 16:16:05 |
| d263746d10k.htm | 1622141 | 2012-02-24 16:16:05 |
| d263746dex1049.htm | 35753 | 2012-02-24 16:16:05 |
| d263746dex1050.htm | 40749 | 2012-02-24 16:16:05 |
| d263746dex1051.htm | 44362 | 2012-02-24 16:16:05 |
| d263746dex1052.htm | 7727 | 2012-02-24 16:16:05 |
| d263746dex1053.htm | 43094 | 2012-02-24 16:16:05 |
| d263746dex21.htm | 4540 | 2012-02-24 16:16:05 |
| d263746dex23.htm | 2076 | 2012-02-24 16:16:05 |
| d263746dex24.htm | 5451 | 2012-02-24 16:16:05 |
| d263746dex311.htm | 6142 | 2012-02-24 16:16:05 |
| d263746dex312.htm | 6156 | 2012-02-24 16:16:05 |
| d263746dex321.htm | 4351 | 2012-02-24 16:16:05 |
| FilingSummary.xml | 48588 | 2012-02-24 16:16:05 |
| Financial_Report.xls | 1650716 | 2012-02-24 16:16:05 |
| R1.htm | 37271 | 2012-02-24 16:16:05 |
| R10.htm | 30230 | 2012-02-24 16:16:05 |
| R11.htm | 46843 | 2012-02-24 16:16:05 |
| R12.htm | 32880 | 2012-02-24 16:16:05 |
| R13.htm | 63219 | 2012-02-24 16:16:05 |
| R14.htm | 15234 | 2012-02-24 16:16:05 |
| R15.htm | 12818 | 2012-02-24 16:16:05 |
| R16.htm | 13771 | 2012-02-24 16:16:05 |
| R17.htm | 10961 | 2012-02-24 16:16:05 |
| R18.htm | 27131 | 2012-02-24 16:16:05 |
| R19.htm | 88327 | 2012-02-24 16:16:05 |
| R2.htm | 118991 | 2012-02-24 16:16:05 |
| R20.htm | 236762 | 2012-02-24 16:16:05 |
| R21.htm | 116252 | 2012-02-24 16:16:05 |
| R22.htm | 10135 | 2012-02-24 16:16:05 |
| R23.htm | 6789 | 2012-02-24 16:16:05 |
| R24.htm | 29861 | 2012-02-24 16:16:05 |
| R25.htm | 36525 | 2012-02-24 16:16:05 |
| R26.htm | 23854 | 2012-02-24 16:16:05 |
| R27.htm | 99003 | 2012-02-24 16:16:05 |
| R28.htm | 7109 | 2012-02-24 16:16:05 |
| R29.htm | 45395 | 2012-02-24 16:16:05 |
| R3.htm | 28480 | 2012-02-24 16:16:05 |
| R30.htm | 32088 | 2012-02-24 16:16:05 |
| R31.htm | 65128 | 2012-02-24 16:16:05 |
| R32.htm | 12229 | 2012-02-24 16:16:05 |
| R33.htm | 12106 | 2012-02-24 16:16:05 |
| R34.htm | 10274 | 2012-02-24 16:16:05 |
| R35.htm | 25059 | 2012-02-24 16:16:05 |
| R36.htm | 84264 | 2012-02-24 16:16:05 |
| R37.htm | 223984 | 2012-02-24 16:16:05 |
| R38.htm | 116809 | 2012-02-24 16:16:05 |
| R39.htm | 28172 | 2012-02-24 16:16:05 |
| R4.htm | 102261 | 2012-02-24 16:16:05 |
| R40.htm | 33329 | 2012-02-24 16:16:05 |
| R41.htm | 22601 | 2012-02-24 16:16:05 |
| R42.htm | 15202 | 2012-02-24 16:16:05 |
| R43.htm | 39580 | 2012-02-24 16:16:05 |
| R44.htm | 15854 | 2012-02-24 16:16:05 |
| R45.htm | 37662 | 2012-02-24 16:16:05 |
| R46.htm | 28861 | 2012-02-24 16:16:05 |
| R47.htm | 19771 | 2012-02-24 16:16:05 |
| R48.htm | 53837 | 2012-02-24 16:16:05 |
| R49.htm | 16144 | 2012-02-24 16:16:05 |
| R5.htm | 65159 | 2012-02-24 16:16:05 |
| R50.htm | 39186 | 2012-02-24 16:16:05 |
| R51.htm | 20043 | 2012-02-24 16:16:05 |
| R52.htm | 7197 | 2012-02-24 16:16:05 |
| R53.htm | 20515 | 2012-02-24 16:16:05 |
| R54.htm | 16639 | 2012-02-24 16:16:05 |
| R55.htm | 19047 | 2012-02-24 16:16:05 |
| R56.htm | 20869 | 2012-02-24 16:16:05 |
| R57.htm | 62266 | 2012-02-24 16:16:05 |
| R58.htm | 21150 | 2012-02-24 16:16:05 |
| R59.htm | 13031 | 2012-02-24 16:16:05 |
| R6.htm | 41245 | 2012-02-24 16:16:05 |
| R60.htm | 39327 | 2012-02-24 16:16:05 |
| R61.htm | 38086 | 2012-02-24 16:16:05 |
| R62.htm | 78142 | 2012-02-24 16:16:05 |
| R63.htm | 16547 | 2012-02-24 16:16:05 |
| R64.htm | 67523 | 2012-02-24 16:16:05 |
| R65.htm | 103995 | 2012-02-24 16:16:05 |
| R66.htm | 9930 | 2012-02-24 16:16:05 |
| R67.htm | 42362 | 2012-02-24 16:16:05 |
| R68.htm | 68492 | 2012-02-24 16:16:05 |
| R69.htm | 26671 | 2012-02-24 16:16:05 |
| R7.htm | 6954 | 2012-02-24 16:16:05 |
| R70.htm | 85128 | 2012-02-24 16:16:05 |
| R71.htm | 61432 | 2012-02-24 16:16:05 |
| R72.htm | 10327 | 2012-02-24 16:16:05 |
| R73.htm | 38874 | 2012-02-24 16:16:05 |
| R74.htm | 63524 | 2012-02-24 16:16:05 |
| R75.htm | 9833 | 2012-02-24 16:16:05 |
| R76.htm | 43620 | 2012-02-24 16:16:05 |
| R77.htm | 43449 | 2012-02-24 16:16:05 |
| R78.htm | 36838 | 2012-02-24 16:16:05 |
| R79.htm | 13035 | 2012-02-24 16:16:05 |
| R8.htm | 149594 | 2012-02-24 16:16:05 |
| R80.htm | 13079 | 2012-02-24 16:16:05 |
| R81.htm | 16867 | 2012-02-24 16:16:05 |
| R82.htm | 10219 | 2012-02-24 16:16:05 |
| R83.htm | 9668 | 2012-02-24 16:16:05 |
| R84.htm | 33448 | 2012-02-24 16:16:05 |
| R85.htm | 16897 | 2012-02-24 16:16:05 |
| R9.htm | 15489 | 2012-02-24 16:16:05 |
| report.css | 2721 | 2012-02-24 16:16:05 |
| Show.js | 6423 | 2012-02-24 16:16:05 |